The Flash Player 11.3 beta brings improved support for the Mac App Store, support for older graphics cards, and more.

Following its teasers last month, Adobe has released Flash 11 for Mac OS X — and other platforms — along with AIR 3. The applications promise to deliver cutting edge 3D graphics that Adobe says will offer “console-quality” gaming, and performance up to 1,000 faster than Flash 10.

The latest Flash release boasts ‘Stage3D’ accelerated graphics rendering, which Adobe says provides advanced 2D and 3D rendering in Flash applications; and native 64-bit support for Mac and other major platforms.

It introduces H.264/AVC software encoding for cameras, and Flash Access content production is also introduced to Android devices so that broadcasters can monetize an broader range of customers.

As for AIR 3, developers can now take advantage of native extensions which give them more flexibility with their app packaging options — allowing them to automatically package AIR 3 with Android, iOS, Windows and Mac OS app into a single file. THere’s also captive runtime support, Stage Video hardware acceleration, H.264/AVC camera encoding, native text input for mobile devices, digital surround sound for TV devices, background audio support for iOS devices, and encrypted local storage.

Both packages are available to download immediately from Adobe’s website, and you’ll need Mac OS X 10.6 or above to install them.